We have the weights of 18 individuals (9 men and 9 women) weight women: 38.9, 61.2, 73.3, 21.8, 63.4, 64.6, 48.4, 48.8, 48.5. weight men: 67.8, 60, 63.4, 76, 89.4, 73.3, 67.3, 61.3, 62.4  Can it be said that the average weight of women is different from the average weight of men?  Justify your answer.  Note: See about the Shapiro-Wilk test and use it to decide which type of interval to use.

MATLAB: An Introduction with Applications
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We have the weights of 18 individuals (9 men and 9 women) weight women: 38.9, 61.2, 73.3, 21.8, 63.4, 64.6, 48.4, 48.8, 48.5. weight men: 67.8, 60, 63.4, 76, 89.4, 73.3, 67.3, 61.3, 62.4 

Can it be said that the average weight of women is different from the average weight of men?  Justify your answer. 

Note: See about the Shapiro-Wilk test and use it to decide which type of interval to use.

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